//1. 厂家角度 (CarManufacturer)

public class CarManufacturer {
    // 属性
    private String manufacturerName;
    private String headquarters;
    private Date establishDate;
    private List<String> carModels;
    
    // 方法
    public void designCar() {}
    public void manufactureCar() {}
    public void qualityTest() {}
    public void recallCar(String model) {}
    public void provideWarranty() {}
}
//2. 车主角度 (CarOwner)

public class CarOwner {
    // 属性
    private String ownerName;
    private String licenseNumber;
    private Car ownedCar;
    private Date purchaseDate;
    private String insuranceCompany;
    
    // 方法
    public void drive() {}
    public void maintain() {}
    public void refuel() {}
    public void park() {}
    public void sellCar() {}
}
//3. 交通管理机构角度 (TrafficManagement)

public class TrafficManagement {
    // 属性
    private String agencyName;
    private List<Car> registeredCars;
    private List<ViolationRecord> violationRecords;
    
    // 方法
    public void registerCar(Car car) {}
    public void issueLicense() {}
    public void recordViolation() {}
    public void collectFine() {}
    public void revokeLicense() {}
}